Home / 19,813.90-27,345.97-12,262.66

Finding the Fourth Proportional to 19,813.90, 27,345.97 and 12,262.66

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Solution

The fourth proportional to 19,813.90, 27,345.97 and 12,262.66 is: 16,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.90 : 27,345.97 = 12,262.66 : x
  2. Step 2: Convert to fraction form
    19,813.90/27,345.97 = 12,262.66/x
  3. Step 3: Cross multiply
    19,813.90x = 27,345.97 × 12,262.66
  4. Step 4: Simplify right side
    19,813.90x = 335,334,332.48
  5. Step 5: Solve for x
    x = 335,334,332.48/19,813.90
  6. Step 6: Final answer
    x = 16,924.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.